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Residential Whole Loans (Residential Whole Loans, at Carrying Value - Additional Information) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 4,086,606 |  | $ 5,370,653
Purchased Credit Deteriorated Loans | 726,513 |  | 698,717
Residential whole loans, at carrying value, total or weighted average | $ 4,813,119 |  |
Weighted Average LTV Ratio | 80.00% |  |
Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 2,574,184 |  | 3,707,245
Residential whole loans, at carrying value, total or weighted average | 2,574,184 |  |
Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | 862,895 |  | 1,026,097
Residential whole loans, at carrying value, total or weighted average | 862,895 |  |
Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | 494,248 |  | 460,742
Residential whole loans, at carrying value, total or weighted average | 494,248 |  |
Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | 155,279 |  | 176,569
Residential whole loans, at carrying value, total or weighted average | $ 155,279 |  |
90 or more |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Weighted Average LTV Ratio | 88.06% | 89.69% |
Settled Whole Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Residential whole loans, at carrying value, total or weighted average | $ 4,676,530 |  | 6,066,345
Amortized Cost Basis | 4,813,119 |  | 6,069,370
Unpaid Principal Balance (“UPB”) | $ 4,862,531 |  | $ 6,141,421
Weighted Average Coupon | 5.86% |  | 5.96%
Weighted Average Term to Maturity (Months) | 272 months |  | 288 months
Settled Whole Loans | Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 2,542,831 |  | $ 3,706,857
Amortized Cost Basis | 2,574,184 |  | 3,707,245
Unpaid Principal Balance (“UPB”) | $ 2,501,547 |  | $ 3,592,701
Weighted Average Coupon | 5.87% |  | 5.96%
Weighted Average Term to Maturity (Months) | 354 months |  | 368 months
Weighted Average LTV Ratio | 64.00% |  | 67.00%
Weighted Average FICO Scores | 712 |  | 716
Settled Whole Loans | Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 832,895 |  | $ 1,023,766
Amortized Cost Basis | 862,895 |  | 1,026,097
Unpaid Principal Balance (“UPB”) | $ 862,895 |  | $ 1,026,097
Weighted Average Coupon | 7.26% |  | 7.30%
Weighted Average Term to Maturity (Months) | 6 months |  | 8 months
Weighted Average LTV Ratio | 63.00% |  | 64.00%
Weighted Average FICO Scores | 720 |  | 717
Settled Whole Loans | Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 487,317 |  | $ 460,679
Amortized Cost Basis | 494,248 |  | 460,741
Unpaid Principal Balance (“UPB”) | $ 489,947 |  | $ 457,146
Weighted Average Coupon | 6.28% |  | 6.29%
Weighted Average Term to Maturity (Months) | 321 months |  | 324 months
Weighted Average LTV Ratio | 70.00% |  | 70.00%
Weighted Average FICO Scores | 734 |  | 734
Settled Whole Loans | Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 155,055 |  | $ 176,569
Amortized Cost Basis | 155,279 |  | 176,569
Unpaid Principal Balance (“UPB”) | $ 169,469 |  | $ 192,151
Weighted Average Coupon | 3.76% |  | 4.24%
Weighted Average Term to Maturity (Months) | 176 months |  | 181 months
Weighted Average LTV Ratio | 42.00% |  | 46.00%
Weighted Average FICO Scores | 723 |  | 723
Settled Whole Loans | Purchased credit impaired loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Credit Deteriorated Loans | $ 658,432 |  | $ 698,474
Amortized Cost Basis | 726,513 |  | 698,718
Unpaid Principal Balance (“UPB”) | $ 838,673 |  | $ 873,326
Weighted Average Coupon | 4.46% |  | 4.46%
Weighted Average Term to Maturity (Months) | 291 months |  | 294 months
Weighted Average LTV Ratio | 79.00% |  | 81.00%
Settled Whole Loans | Certain Rehabilitation Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Purchased Performing Loans | $ 280,600 |  | $ 269,200
Weighted Average LTV Ratio | 68.00% |  | 69.00%
Settled Whole Loans | Current | Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | $ 2,502,521 |  | $ 3,492,533
Settled Whole Loans | Current | Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 620,315 |  | 868,281
Settled Whole Loans | Current | Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 444,308 |  | 432,936
Settled Whole Loans | Current | Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 150,800 |  | 187,683
Settled Whole Loans | 30-59 | Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 24,927 |  | 59,963
Settled Whole Loans | 30-59 | Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 60,762 |  | 67,747
Settled Whole Loans | 30-59 | Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 25,428 |  | 15,948
Settled Whole Loans | 30-59 | Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 1,740 |  | 2,164
Settled Whole Loans | 60-89 | Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 23,192 |  | 19,605
Settled Whole Loans | 60-89 | Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 65,226 |  | 27,437
Settled Whole Loans | 60-89 | Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 12,730 |  | 2,047
Settled Whole Loans | 60-89 | Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 442 |  | 430
Settled Whole Loans | 90 or more | Non-QM Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 23,544 |  | 20,600
Settled Whole Loans | 90 or more | Rehabilitation loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 116,592 |  | 62,632
Settled Whole Loans | 90 or more | Single-family rental loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 11,782 |  | 6,215
Settled Whole Loans | 90 or more | Seasoned performing loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | 2,297 |  | 1,874
Settled Whole Loans | 90 or more | Purchased credit impaired loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Amortized Cost Basis | $ 105,536 |  | $ 108,998

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- Definition The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121585399&loc=d3e13503-111538 + Details
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